#include <windows.h>
#include <iostream>
#include <fstream>
#include <stdio.h>
#include <string>
#include "stdafx.h"
#include<stdio.h>
#include "stdafx.h"
#include <iostream>
#include <iomanip>


#define CRYPTOPP_DEFAULT_NO_DLL
#include "dll.h"

using namespace std;

byte key[CryptoPP::AES::DEFAULT_KEYLENGTH], iv[CryptoPP::AES::BLOCKSIZE];
std::string ciphertext, decryptedtext, encoded;


void AES_CBC()
{
	ciphertext = "";
	decryptedtext = "";
	encoded = "";

	/*CryptoPP::AES::Encryption aesEncryption(key, CryptoPP::AES::DEFAULT_KEYLENGTH);
	CryptoPP::CBC_Mode_ExternalCipher::Encryption cbcEncryption(aesEncryption, iv);
	CryptoPP::StreamTransformationFilter stfEncryptor(cbcEncryption, new CryptoPP::StringSink(ciphertext));
	stfEncryptor.Put(reinterpret_cast<const unsigned char*>(plaintext.c_str()), plaintext.length() + 1);
	stfEncryptor.MessageEnd();*/

	cout << "AES_CBC Cipher Text: " << std::endl;

	for (int i = 0; i < ciphertext.size(); i++) {
		cout << "0x" << std::hex << (0xFF & static_cast<byte>(ciphertext[i])) << " ";
	}
	cout << std::endl << std::endl;

	CryptoPP::AES::Decryption aesDecryption(key, CryptoPP::AES::DEFAULT_KEYLENGTH);
	CryptoPP::CBC_Mode_ExternalCipher::Decryption cbcDecryption(aesDecryption, iv);
	CryptoPP::StreamTransformationFilter stfDecryptor(cbcDecryption, new CryptoPP::StringSink(decryptedtext));
	stfDecryptor.Put(reinterpret_cast<const unsigned char*>(ciphertext.c_str()), ciphertext.size());
	stfDecryptor.MessageEnd();
	cout << "AES-CBC Decrypted Text: " << std::endl << decryptedtext;
	cout << std::endl << std::endl;
}



int main()
{

	memset(key, 0x00, CryptoPP::AES::DEFAULT_KEYLENGTH);
	memset(iv, 0x00, CryptoPP::AES::BLOCKSIZE);

	cout << "Cipher Text: " << std::endl;
	cout << ciphertext;
	cout << std::endl << std::endl;

	AES_CBC();




	system("pause");
	return 0;
}